Compilare: user.cpp: In function ‘void sg_tree_build(const int&, const int&, const int&)’: user.cpp:19:30: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] const int &middle = left + right >> 1; ^ user.cpp: In function ‘void sg_tree_update(const int&, const int&, const int&)’: user.cpp:32:30: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] const int &middle = left + right >> 1; ^ user.cpp: In function ‘void _sg_tree_query(const int&, const int&, const int&)’: user.cpp:54:30: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] const int &middle = left + right >> 1; ^ user.cpp: In function ‘void sg_tree_query(const int&, const int&, const int&)’: user.cpp:70:30: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] const int &middle = left + right >> 1; ^ user.cpp: In function ‘int main()’: user.cpp:90:24: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘bool*’ [-Wformat=] scanf ("%d", &t); ^